JP3545033B2 - Polishing composition - Google Patents

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Publication number
JP3545033B2
JP3545033B2 JP04392294A JP4392294A JP3545033B2 JP 3545033 B2 JP3545033 B2 JP 3545033B2 JP 04392294 A JP04392294 A JP 04392294A JP 4392294 A JP4392294 A JP 4392294A JP 3545033 B2 JP3545033 B2 JP 3545033B2
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Japan
Prior art keywords
abrasive
particle size
gloss
polishing
wax
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JP04392294A
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JPH07252454A (en
Inventor
徹好 池松
幸寛 東
徳積 松山
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Rinrei Wax Co Ltd
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Rinrei Wax Co Ltd
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Description

【0001】
【産業上の利用分野】
本発明は汚れや微小な傷つき等で光沢の低下した自動車塗装の光沢の回復に好適な艶出し剤組成物に関する。
【0002】
【従来の技術】
自動車塗装の艶感は、塗装表面の汚れや、傷付や塗装の劣化などによって生じる塗装表面の凹凸の増加によって低下する。この低下した艶感を復元させるものとして、一般に、ワックス、ジメチルシリコーンオイル、樹脂などに研磨剤を配合した艶出し剤組成物が使用されている。
【0003】
この艶出し剤組成物では、研磨剤により汚れを落とし、傷付や塗装の劣化などによって生じる塗装表面の凹部をワックス分が埋めて表面を平滑にし、光沢に影響する光の乱反射を押さえて艶出しするものである。
【0004】
しかし、上記艶出し剤組成物では、塗布後の降雨や洗車により塗装表面を埋めているワックス分が流れてしまい、塗装前の艶感に戻ってしまうといった一過性のものであり、また、傷が多くなると塗布しても傷による凹部を埋めきれず十分な艶が得られなくなる。
【0005】
そこで、近時、塗装表面の汚れ落としとして使用されているだけであった研磨剤を利用し、塗装表面の凸部を削り塗装表面を平滑にして光沢を復元させる方法が開発されている(特開平1−123669号)。この方法は、粒子径が5μm〜70μm、粒子径が2μm〜30μm、粒子径が0.7μm前後の3タイプの研磨剤をそれぞれ含有して製造された第1〜第3の前処理剤を、粒子径の大きい方から小さい方へ3〜1回塗装面に塗布してポリッシングした後、熱硬化性高分子重合体液を塗布してポリッシングによる熱処理をするものである。
【0006】
【発明が解決しようとする課題】
研磨剤は、硬度が高く粒子径が大きいほど研磨作用は強くなる反面、傷が付きやすい。上記の特開平1−123669号で開示された技術では、粒子径の異なる研磨剤を含有する3タイプの前処理剤を用意しているが、ここで使用される研磨剤の硬度については明示されておらず、このため、上記研磨剤が硬度の程度によっては、汚れ落としや平滑化に十分な効果を発揮できない場合もある。また、粒子径の異なる研磨剤を含有する3タイプの前処理剤を順番に使用した後、熱硬化性高分子重合体液を塗布してポリッシングによる熱処理をするといった非常に手間のかかる面倒な作業を強いられるといった問題がある。
【0007】
研磨剤の硬度や粒子径と、汚れ落としや平滑化との関係を追ってみると、硬度が高いほど汚れ落としと平滑化に優れ、そして硬度が高く且つ粒子径の大きいものほど一層汚れ落としに優れた効果を発揮する反面塗装表面に傷を傷付け易くなり平滑化に劣る。このことから、汚れ落としと平滑化に優れた作用を得るためには、研磨剤の硬度が高く且つ粒子径が小さいものを選択すれば良い。また、一般に研磨剤は粒径に分布を持っており、平均粒径が小さくても塗膜を傷付けるような粒径の大きい粒子をある程度含有しているものであり、したがって平均粒径だけではなく、更に粒度分布までも研磨剤の選択の基準にする必要がある。即ち、艶出し剤組成物における研磨剤の選択は、硬度と、平均粒径と、その粒度分布のなかで塗膜に傷を付けない粒径を把握し、それを限定することが美感を回復する上で最も重要である。
【0008】
本発明者は試験研究を重ね、研磨効果に優れ且つ塗膜に傷をつけない研磨剤の硬度と粒径と粒度分布を見出し、本発明をするに至った。
即ち、本発明は汚れや微小な傷つき等で光沢の低下した自動車塗装に光沢を回復させることを目的とした艶出し剤組成物を提供するものである。
【0009】
【課題を解決するための手段】
本発明は上記目的を達成するため、第1の発明では、艶出し剤組成物に、モース硬度で6以上の硬さを有し、平均粒径が0.2〜2.0μmかつ5.0μm以下の粒子含有量が95wt%以上で、粒子形状が立体的である研磨剤を2〜30wt%含有させた。
【0010】
また、第2の発明では、艶出し剤組成物に、モース硬度で6以上の硬さを有し、平均粒径が0.2〜2.0μm以下の研磨剤を2種以上混合したものであって、その混合物中に含まれる5.0μm以下の粒子総含有量が95wt%以上で、粒子形状が立体的である研磨剤を2〜30wt%含有させた。
【0012】
【作用】
本発明によれば、モース硬度で6以上の硬さを有し、平均粒径が0.2〜2.0μmかつ5.0μm以下の粒子含有量が95wt%以上で、粒子形状が立体的である研磨剤が塗装表面を研磨し、塗装表面の汚れを落とし且つ塗装表面の凸部を削り塗膜の光沢を低下させるような傷をつけずに塗装表面の微小な凸部を平滑にして光沢を復元させる。
【0013】
【実施例】
以下、本発明の実施例を詳細に説明する。
本発明は、艶出し剤組成物に、モース硬度で6以上の硬さを有し、平均粒径が0.2〜2.0μmであって、かつ5.0μm以下の粒子含有量が95wt%以上の研磨剤を2〜30wt%含有させた。
本発明で配合するモース硬度が6以上の研磨剤としては、アルミナ、酸化ジルコニウム、ケイ酸アルミニウム、ケイ酸ジルコニウム、ケイソウ土等を挙げることができる。
研磨剤の平均粒径としては0.2〜2.0μmであり、好ましくは0.2〜1.0μmが良い。さらに研磨剤の粒度分布にあっては、5.0μm以下の粒子を95wt%以上含有している。
【0014】
また、艶出し剤組成物に配合される上記研磨剤は、1種類だけでなく、2種類以上の研磨剤を混合して配合しても良く、いずれの研磨剤もモース硬度で6以上の硬さを有し、平均粒径が0.2〜2.0μm、好ましくは0.2〜1.0μmであるといった条件を満たしている。そして、2種類以上の研磨剤を混合する場合は、研磨剤の粒度分布を、混合物中における5.0μm以下の粒子総含有量が95wt%以上になるよう配合調整している。
【0015】
また上記研磨剤のモース硬度が9以上の硬いものでは、粒度分布は5.0μm以下の粒子含有量が99wt%以上であることが好ましい。
また、艶出し剤組成物に配合される上記研磨剤は、その粒子形状については、立体的な形状や平面(板)的な形状のいずれでも良いが、研磨効果の優れる立体的な形状の方が好ましい。
【0016】
艶出し剤組成物中における上記研磨剤の配合量は2〜30wt%であるが、艶出し剤組成物の形状によって、研磨剤を2〜30wt%の範囲内で適当量配合することが好ましい。例えば、艶出し剤組成物が液状の場合研磨作用が強いため配合量は2〜15wt%、また半練り状あるいは固形状の場合は液状に比べ固形分が多くなり研磨作用を弱めるため、5〜30wt%が適当である。研磨効果は配合量が少ないと低下し、また30wt%以上配合しても効果はほとんど変わらず、その半面のびが重くなったりあるいは製造上で問題を生じる。
本発明で必須成分の前記研磨剤は、液状、半練り状、固形状のいずれの艶出し剤組成物にも配合することができる。
【0017】
本発明に利用できる艶出し剤組成物の成分には、ワックス,ジメチルシリコーンオイル及びその変性体,樹脂,溶剤,乳化(界面活性)剤,水,その他艶出し剤組成物に通常配合される添加剤から選択され、従来公知の全てのものが対象となる。
【0018】
上記したワックスとしては、例えばカルナバロウ,木ロウ等の植物ロウ、ミツロウ,鯨ロウ等の動物ロウ、モンタンロウ,セレシンロウ,パラフィンロウ等の鉱物ロウなどから成る天然ワックス、あるいはポリエチレンワックス,フィッシャートロプシュワックス及びその誘導体等の合成炭化水素ワックス、モンタンワックス誘導体,マイクロクリスタリンワックス誘導体等の変性ワックス、ラノリン誘導体、α−オレフィンと無水マレイン酸あるいはアクリル酸等と反応させて成るワックス、合成脂肪酸エステル,合成グリセライド等に代表される合成ワックスが挙げられ、これ以外には金属セッケン,油脂,高級脂肪酸,高級アルコール,硬化油,脂肪酸アマイド等に代表されるワックス状物があり、これらの1種もしくは2種以上を併用して用いることができる。
【0019】
ジメチルシリコーンオイル及びその変性体としては、0.65〜100,000csのジメチルシリコーンオイル,フェニルメチルシリコーンオイル,アルキル変性シリコーンオイル,フロロシリコーンオイル,ポリエーテル変性シリコーンオイル,脂肪酸エステル変性シリコーンオイル等の非反応性型、またメチル水素シリコーンオイル,シラノール基含有シリコーンオイル,アルコキシ基含有シリコーンオイル,アミノ変性シリコーンオイル,カルボン酸変性シリコーンオイル,カルビノール変性シリコーンオイル,エポキシ変性シリコーンオイル,メルカプト変性シリコーンオイル等の反応型が挙げられ、これらの1種もしくは2種以上混合しても良い。
【0020】
樹脂には、シリコーン樹脂,フッ素樹脂,アクリル樹脂及びその変性体やロジン系樹脂,テルペン系樹脂,石油系樹脂等が挙げられ、これらの1種もしくは2種以上を併用して用いることができる。
【0021】
溶剤としては、工業用ナフサ,灯油,ミネラルスピリット,ノルマルパラフィン系,イソパラフィン系,ナフテン系,芳香族系等の石油系溶剤、シリコーン系溶剤、エステル系溶剤、エーテル系溶剤、アルコール系溶剤等自動車塗装面に悪影響を与えないもので、これらの1種もしくは2種以上混合しても良い。
【0022】
本発明は乳化性及び油性のどちらのタイプでも利用でき、乳化性の場合乳化剤としてはオイレン酸,ステアリン酸,ヘキストワックスS等の高級脂肪酸、酸価を有する天然または合成ワックス、アルキルベンゼンスルホン酸,アルキル硫酸エステル,ポリオキシアルキル硫酸エステル等のNa,K,アンモニウム,モルホリン,アルカノールアミン塩などで代表される陰イオン性界面活性剤、ポリオキシエチレンアルキルエーテル,ソルビタン脂肪酸エステル,多価アルコール脂肪酸エステル,脂肪酸アルカノールアミド,アミンオキサイドその他ポリオキシエチレン誘導体等の非イオン性界面活性剤、アルキルアミン塩,第4級アンモニウム塩等の陽イオン性界面活性剤、アルキルベタイン等の両性界面活性剤、フッ素系界面活性剤、シリコーン系界面活性剤など一般に慣用されている界面活性剤が挙げられ、これらの1種もしくは2種以上混合しても良い。
【0023】
その他一般に艶出し剤組成物で慣用され研磨作用のきわめて弱い無機あるいは有機の微粉体を、のびや拭き取りなど作業性向上の目的で使用することができる。例えば、タルク,カオリン等の無機系微粉体、合成シリカ,セルロースパウダー,4フッ化エチレン樹脂パウダー,アミノ酸系パウダー,シリコーンパウダー,メタクリル酸樹脂パウダー等合成樹脂パウダーが挙げあられ、これらの1種もしくは併用しても良い。
上記以外の添加剤としては、増粘剤,紫外線吸収剤,帯電防止剤,防腐剤,防錆剤,香料,染料等が挙げられ必要に応じ配合しても差しつかえない。
【0024】
本発明の組成物は自動車塗装面に塗布した場合、塗装の光沢を低下させるような傷をつけずに汚れ等を除去し、しかも塗膜の微小な凸部を研磨して平滑にするので、塗膜表面における光の乱反射を減少させる効果が非常に優れている。さらに塗布回数を重ねることによってより高い平滑性が得られる。
【0025】
以下に本発明の実施例と比較例を挙げ、本発明の特徴について例証する。
使用した研磨剤を表−1に示す。
表−1

Figure 0003545033
研磨剤以外の使用成分は以下の通りである。
ヘキストワックスS(ヘキスト社製)
滴点81〜87℃,酸価135〜155の高級脂肪酸。
オレイン酸
不飽和炭化水素C1875%以上,酸価198〜206,ヨウ素価80〜95の工業用オレイン酸。
KF96−1000cs(信越化学工業株式会社製)
粘度1000±50cs(25℃),比重0.97±0.005(25℃)のジメチルシリコーンオイル。
ミネラルターペン
蒸留範囲150〜200℃の脂肪族系溶剤で、日本工業規格における工業ガソリン(JIS K−2201)4号に相当するもの。
モルホリン
蒸留範囲126〜130℃,比重1.001〜1.004(20/20℃)の一塩基性の飽和異節環状第2級アミン。
【0026】
[試料の配合組成と配合方法]
Figure 0003545033
ただし、研磨剤を添加しない場合はミネラルターペンに代替する。
【0027】
*配合方法
ヘキストワックスSからミネラルターペンまでを混合し、約90℃に加熱攪拌後研磨剤を加えてしばらく攪拌する。モルホリンを添加し一部脂肪酸モルホリン塩にしてから、約80℃の温水を攪拌下流入してO/W型エマルジョンを作り、約70℃まで冷却後適当な容器に充填し、さらに室温まで冷却して半練り状物を得る。研磨剤によっては温水流入前に添加すると乳化しにくいものがあり、その場合は乳化後に添加する。また研磨剤の分散状態が不良の場合はアジホモミキサー(乳化分散機)を使用し、均一に分散させてから冷却充填する。
【0028】
[試験方法]
JIS K−2236「自動車用つや出しワックス」における光沢増加度の項目で規定されている黒色ソリッド塗装板及び実車は平成1年式トヨタカリーナED白色ソリッド塗装車のボンネット部分を試験用に用いる。
*光沢度の測定方法
物体の表面では光沢度の大きなものは入射角を小さく、光沢度の小さいものは大きくとって測定するのが一般的である。また光沢度と視感で判定した光沢感順位との相関を調べると、入射・受光角が20°の光沢計によって測定した時の光沢度が60以上になる試料ではほぼ直線関係にあることが知られているため、測定方法を20°鏡面光沢とする。なお、塗膜における光沢度の測定方法は、JIS Z−8741「鏡面光沢度測定方法」に規定されており、この規格によれば入射角の違いで5つの方法がある。20°鏡面光沢の測定方法は適用範囲の中に60°光沢度で70を超える表面とされている。
【0029】
*試験面の調整方法
タオルで覆ったスポンジをハンドポリッシャーに装着後、平均粒径5μmのアルミナを20wt%水に分散させた溶液をタオルへしみこませ、塗装面を均一に研磨する。塗装表面の状態は、20°光沢の平均値で30〜40程度になるよう研磨調整し試験面とする。
【0030】
黒色ソリッド塗装板の光沢測定値
Figure 0003545033
実車の場合は研磨処理前に洗車して汚れを除去し、さらに残っているワックス成分をミネラルターペンで除去してから研磨調整し試験面(洗車後の20°光沢値:54.6,研磨調整後の光沢値:38.1)とする。
【0031】
*塗布方法
各試料を適量ウレタンスポンジに取り、各試験面に均一に塗り広げる。
塗布状態をより均一にするため、試験面を一往復塗布して1回の塗布作業とする。塗布後10〜15分自然乾燥後、乾いたきれいなタオルで拭き上げる。この塗布作業を3回繰り返す。
【0032】
[光沢の復元効果]
光沢の復元性について、1回の塗布作業ごとに光沢計で20°光沢を測定し、各種研磨剤及び市販品における光沢値の変化及び3回塗布後の視感光沢(目視による塗布面の写像性)で評価する。試験結果は黒色ソリッド塗装板での結果を表−2、また実車での結果を表−3に示す。なお市販品は、各試験板の種類に適用する製品を選択したものである。
【0033】
表−2
Figure 0003545033
表−3
Figure 0003545033
【0034】
【発明の効果】
本発明の艶出し剤組成物は、汚れの付着や微小な傷等によって光沢が低下した全ての自動車塗装面において、汚れの除去性と塗膜表面の平滑化に優れた効果を発揮し、通常の自動車専用ワックスと同様、塗装面に塗布して乾燥後拭き取るといった簡単な作業で光沢を復元させることができる。しかも、この作業回数を増やすことにより光沢の復元効果を一層向上させることができる。更に、艶出し成分によって形成された被膜がなくなったとしても光沢の低下が少ないため、美感の維持効果も高い。[0001]
[Industrial applications]
TECHNICAL FIELD The present invention relates to a polisher composition suitable for recovering gloss of automobile coatings whose gloss has been reduced due to stains, minute scratches and the like.
[0002]
[Prior art]
The glossiness of automotive coatings is reduced by dirt on the coating surface or by the increase in unevenness of the coating surface caused by scratching or deterioration of the coating. In order to restore the reduced glossiness, a polishing agent composition in which an abrasive is mixed with wax, dimethyl silicone oil, resin or the like is generally used.
[0003]
In this polishing agent composition, dirt is removed by a polishing agent, wax is filled in concave portions of the coating surface caused by scratching and deterioration of the coating, etc., and the surface is smoothed, and irregular reflection of light affecting gloss is suppressed and gloss is reduced. It is something to put out.
[0004]
However, in the above-mentioned polishing agent composition, the wax component burying the coating surface flows due to rainfall or car washing after application, and it is a temporary thing such as returning to the glossiness before coating, and If the number of scratches increases, even if applied, the concave portions due to the scratches cannot be filled, and sufficient gloss cannot be obtained.
[0005]
In recent years, a method has been developed to use a polishing agent that has only been used as a stain remover on a paint surface, and to smooth the paint surface to restore the luster by shaving off the protrusions on the paint surface. Kaihei 1-123669). In this method, the first to third pretreatment agents manufactured by containing three types of abrasives each having a particle diameter of 5 μm to 70 μm, a particle diameter of 2 μm to 30 μm, and a particle diameter of about 0.7 μm, After coating and polishing the coated surface three to one times from a larger particle size to a smaller particle size, a thermosetting polymer solution is applied and heat treatment by polishing is performed.
[0006]
[Problems to be solved by the invention]
Abrasives have a higher hardness and a larger particle diameter, but have a stronger polishing effect, but are liable to be scratched. In the technique disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 1-123669, three types of pretreatment agents containing abrasives having different particle diameters are prepared, but the hardness of the abrasive used here is clearly specified. For this reason, depending on the degree of hardness, the above-mentioned abrasive may not be able to exert a sufficient effect on dirt removal and smoothing. In addition, after using three types of pretreatment agents containing abrasives having different particle sizes in order, a very troublesome work such as applying a thermosetting polymer solution and performing heat treatment by polishing is performed. There is a problem of being forced.
[0007]
Following the relationship between the hardness and particle size of the abrasive and the removal and smoothing of the abrasive, the higher the hardness, the better the removal and smoothing, and the higher the hardness and the larger the particle size, the better the removal On the other hand, the coating surface is easily scratched and has poor smoothing. For this reason, in order to obtain excellent effects of removing stains and smoothing, it is only necessary to select an abrasive having a high hardness and a small particle diameter. Generally, the abrasive has a distribution in the particle size, and contains a large number of particles having a large particle size that damages the coating film even if the average particle size is small. It is necessary that the particle size distribution be used as a standard for selecting an abrasive. In other words, the selection of the polishing agent in the polishing agent composition involves grasping the hardness, the average particle size, and the particle size that does not damage the coating film in the particle size distribution, and limiting it to restore the beauty. The most important thing to do.
[0008]
The inventors of the present invention have repeatedly conducted studies and found out the hardness, particle size, and particle size distribution of an abrasive which has an excellent polishing effect and does not damage the coating film, and has accomplished the present invention.
That is, the present invention provides a polishing agent composition for the purpose of restoring gloss to automotive coatings whose gloss has been reduced due to stains, minute scratches and the like.
[0009]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides, in the first invention, a polishing agent composition having a Mohs hardness of 6 or more, an average particle size of 0.2 to 2.0 μm and 5.0 μm. An abrasive having the following particle content of 95 wt% or more and a three-dimensional particle shape was contained in an amount of 2 to 30 wt%.
[0010]
Further, in the second invention, the polishing agent composition has a hardness of 6 or more in Mohs hardness and a mixture of two or more abrasives having an average particle size of 0.2 to 2.0 μm or less. Then , an abrasive having a total particle content of 5.0 μm or less contained in the mixture of 95 wt% or more and a three-dimensional particle shape was contained in an amount of 2 to 30 wt%.
[0012]
[Action]
According to the present invention, it has a hardness of 6 or more in Mohs hardness, an average particle size of 0.2 to 2.0 μm and a content of particles of 5.0 μm or less of 95 wt% or more , and a three-dimensional particle shape. A certain abrasive polishes the painted surface, smoothes the minute convexities on the painted surface without damaging the stains on the painted surface and shaving the convexities on the painted surface and reducing the gloss of the paint film. To restore.
[0013]
【Example】
Hereinafter, embodiments of the present invention will be described in detail.
The present invention provides a polishing composition having a Mohs hardness of 6 or more, an average particle diameter of 0.2 to 2.0 μm, and a particle content of 5.0 μm or less of 95 wt%. The above abrasive was contained in an amount of 2 to 30% by weight.
Examples of the abrasive having a Mohs hardness of 6 or more to be blended in the present invention include alumina, zirconium oxide, aluminum silicate, zirconium silicate, and diatomaceous earth.
The abrasive has an average particle size of 0.2 to 2.0 μm, preferably 0.2 to 1.0 μm. Further, in the particle size distribution of the abrasive, 95% by weight or more of particles of 5.0 μm or less are contained.
[0014]
In addition, not only one kind but also two or more kinds of abrasives may be mixed and compounded in the polishing agent composition, and each of the abrasives has a Mohs hardness of 6 or more. And the average particle diameter is 0.2 to 2.0 μm, preferably 0.2 to 1.0 μm. When two or more abrasives are mixed, the particle size distribution of the abrasives is adjusted so that the total content of particles of 5.0 μm or less in the mixture is 95 wt% or more.
[0015]
When the abrasive has a Mohs hardness of 9 or more, the particle size distribution is preferably 5.0 μm or less, and the content of particles is preferably 99% by weight or more.
Regarding the particle shape of the above-mentioned abrasive compounded in the polishing agent composition, any one of a three-dimensional shape and a flat (plate) shape may be used. Is preferred.
[0016]
The blending amount of the above-mentioned abrasive in the polishing agent composition is 2 to 30% by weight, but it is preferable to add an appropriate amount of the abrasive within the range of 2 to 30% by weight depending on the shape of the polishing agent composition. For example, when the polishing agent composition is liquid, the compounding amount is 2 to 15% by weight because the polishing action is strong, and when the polishing composition is semi-milled or solid, the solid content increases compared to the liquid and the polishing action is weakened. 30 wt% is appropriate. The polishing effect is reduced when the compounding amount is small, and the effect is hardly changed even when the compounding amount is 30 wt% or more, and the half surface becomes heavy or a problem occurs in production.
The polishing agent, which is an essential component in the present invention, can be blended with any liquid, semi-milled, or solid polishing composition.
[0017]
The components of the polisher composition that can be used in the present invention include wax, dimethyl silicone oil and its modified products, resins, solvents, emulsifying (surfactant) agents, water, and other additives that are usually compounded in polisher compositions. All known agents selected from agents are used.
[0018]
Examples of the waxes include natural waxes such as vegetable waxes such as carnauba wax and wood wax, animal waxes such as beeswax and spermaceous wax, mineral waxes such as montan wax, ceresin wax, paraffin wax, etc., polyethylene wax, Fischer-Tropsch wax and the like. Synthetic hydrocarbon waxes such as derivatives, modified waxes such as montan wax derivatives, microcrystalline wax derivatives, lanolin derivatives, waxes obtained by reacting α-olefins with maleic anhydride or acrylic acid, synthetic fatty acid esters, synthetic glycerides, etc. Typical examples include synthetic waxes. In addition to these, there are waxes represented by metal soaps, oils and fats, higher fatty acids, higher alcohols, hardened oils, fatty acid amides, and the like. It can be used in.
[0019]
Examples of the dimethyl silicone oil and modified products thereof include non-dimethyl silicone oils of 0.65 to 100,000 cs, phenylmethyl silicone oil, alkyl-modified silicone oil, fluorosilicone oil, polyether-modified silicone oil, and fatty acid ester-modified silicone oil. Reactive type, such as methyl hydrogen silicone oil, silanol group containing silicone oil, alkoxy group containing silicone oil, amino modified silicone oil, carboxylic acid modified silicone oil, carbinol modified silicone oil, epoxy modified silicone oil, mercapto modified silicone oil, etc. Reaction types may be mentioned, and one or more of these may be mixed.
[0020]
Examples of the resin include a silicone resin, a fluororesin, an acrylic resin and modified products thereof, a rosin-based resin, a terpene-based resin, a petroleum-based resin, and the like, and one or more of these can be used in combination.
[0021]
Solvents include automotive naphtha, kerosene, mineral spirit, petroleum solvents such as normal paraffin, isoparaffin, naphthene, and aromatic, silicone solvents, ester solvents, ether solvents, alcohol solvents, and the like. These do not adversely affect the surface, and one or more of these may be mixed.
[0022]
The present invention can be used in both emulsifying and oily types. In the case of emulsifying, emulsifiers include higher fatty acids such as oleic acid, stearic acid and Hoechst wax S, natural or synthetic waxes having an acid value, alkylbenzene sulfonic acid, alkyl Anionic surfactants represented by Na, K, ammonium, morpholine, alkanolamine salts, such as sulfates and polyoxyalkyl sulfates, polyoxyethylene alkyl ethers, sorbitan fatty acid esters, polyhydric alcohol fatty acid esters, fatty acids Nonionic surfactants such as alkanolamides, amine oxides and other polyoxyethylene derivatives; cationic surfactants such as alkylamine salts and quaternary ammonium salts; amphoteric surfactants such as alkylbetaines; Agent, siri Surfactants are exemplified which is commonly used generally such as chromatography emissions based surfactant may be mixed one kind of them or two or more kinds.
[0023]
In addition, inorganic or organic fine powder which is generally used in a polishing agent composition and has extremely weak polishing action can be used for the purpose of improving workability such as spreading and wiping. Examples thereof include inorganic fine powders such as talc and kaolin, and synthetic resin powders such as synthetic silica, cellulose powder, tetrafluoroethylene resin powder, amino acid powder, silicone powder, methacrylic acid resin powder, and one or a combination of these. You may.
Additives other than those described above include thickeners, ultraviolet absorbers, antistatic agents, preservatives, rust preventives, fragrances, dyes, and the like, and may be added as needed.
[0024]
When the composition of the present invention is applied to a painted surface of an automobile, it removes stains and the like without damaging the coating to reduce its gloss, and furthermore, polishes and smoothes minute projections of the coating, The effect of reducing the irregular reflection of light on the coating film surface is very excellent. Further, by increasing the number of times of application, higher smoothness can be obtained.
[0025]
Hereinafter, examples of the present invention and comparative examples will be given to illustrate the features of the present invention.
Table 1 shows the abrasives used.
Table-1
Figure 0003545033
The components used other than the abrasive are as follows.
Hoechst Wax S (Hoechst)
Higher fatty acids having a dropping point of 81 to 87 ° C and an acid value of 135 to 155.
Industrial oleic acid having an oleic unsaturated hydrocarbon C18 of 75% or more, an acid value of 198 to 206, and an iodine value of 80 to 95.
KF96-1000cs (Shin-Etsu Chemical Co., Ltd.)
A dimethyl silicone oil having a viscosity of 1000 ± 50 cs (25 ° C.) and a specific gravity of 0.97 ± 0.005 (25 ° C.).
Mineral turpentine aliphatic solvent having a distillation range of 150 to 200 ° C., corresponding to industrial gasoline (JIS K-2201) No. 4 in Japanese Industrial Standards.
A monobasic saturated heterocyclic secondary amine having a morpholine distillation range of 126 to 130 ° C and a specific gravity of 1.001 to 1.004 (20/20 ° C).
[0026]
[Sample composition and method]
Figure 0003545033
However, when no abrasive is added, replace with mineral turpentine.
[0027]
* Formulation method Mix Hoechst wax S to mineral turpentine, heat and stir at about 90 ° C, add abrasive, and stir for a while. After adding morpholine to partially form a fatty acid morpholine salt, warm water at about 80 ° C. is introduced with stirring to form an O / W emulsion, cooled to about 70 ° C., filled in a suitable container, and further cooled to room temperature. To obtain a semi-kneaded material. Some abrasives are difficult to emulsify if added before inflow of warm water, in which case they are added after emulsification. When the dispersion state of the polishing agent is poor, an azihomomixer (emulsion disperser) is used to uniformly disperse and then cool and fill.
[0028]
[Test method]
For the black solid painted plate and the actual vehicle specified in the item of gloss increase degree in JIS K-2236 “Polishing wax for automobiles”, the bonnet part of a Toyota Carina ED white solid painted car of the 1999 type is used for the test.
* Measurement method of glossiness It is common to measure the surface of an object with a large glossiness with a small incident angle, and with a small glossiness with a large incidence angle. Also, when examining the correlation between the glossiness and the glossiness ranking determined by visual perception, it is found that the samples having a glossiness of 60 or more when measured by a glossmeter having an incident / reception angle of 20 ° have a substantially linear relationship. Since it is known, the measurement method is set to 20 ° specular gloss. The method for measuring the glossiness of the coating film is specified in JIS Z-8741 “Method for measuring specular glossiness”, and according to this standard, there are five methods for different incident angles. The method of measuring the 20 ° specular gloss is a surface having a glossiness of more than 70 at 60 ° gloss within the applicable range.
[0029]
* Method of adjusting test surface After attaching a sponge covered with a towel to a hand polisher, a solution in which alumina having an average particle size of 5 μm is dispersed in 20 wt% water is soaked into the towel, and the coated surface is uniformly polished. The state of the painted surface is adjusted by polishing so that the average value of the 20 ° gloss is about 30 to 40, and is used as a test surface.
[0030]
Gloss measurement value of black solid painted board
Figure 0003545033
In the case of an actual car, the car is washed before the polishing treatment to remove dirt, and the remaining wax components are removed with a mineral turpentine, and then the polishing is adjusted and the test surface (20 ° gloss value after car washing: 54.6, polishing adjustment) Later gloss value: 38.1).
[0031]
* Application method Take an appropriate amount of each sample on a urethane sponge and spread evenly on each test surface.
In order to make the application state more uniform, the test surface is applied one reciprocation to make one application operation. After air-drying for 10 to 15 minutes after application, wipe it off with a dry and clean towel. This coating operation is repeated three times.
[0032]
[Gloss restoration effect]
Regarding the resilience of gloss, the gloss was measured at 20 ° with a gloss meter after each coating operation, the gloss value of various abrasives and commercial products was changed, and the luminous gloss after coating three times (visual mapping of coated surface by visual inspection) Gender). The test results are shown in Table 2 for a black solid painted plate, and Table 3 for the actual vehicle. In addition, the commercially available product is a product obtained by selecting a product applicable to the type of each test plate.
[0033]
Table-2
Figure 0003545033
Table-3
Figure 0003545033
[0034]
【The invention's effect】
The polishing agent composition of the present invention exerts an excellent effect of removing stains and smoothing the coating film surface on all automobile painted surfaces whose gloss has been reduced due to adhesion of stains or minute scratches, The gloss can be restored by a simple operation such as applying it to a painted surface, drying it, and wiping it off, like the automotive wax. In addition, the effect of restoring gloss can be further improved by increasing the number of operations. Further, even if the film formed by the glaze component disappears, the gloss is hardly reduced, so that the effect of maintaining the beauty is high.

Claims (2)

モース硬度で6以上の硬さを有し、平均粒径が0.2〜2.0μmかつ5.0μm以下の粒子含有量が95wt%以上で、粒子形状が立体的である研磨剤を2〜30wt%含有することを特徴とする艶出し剤組成物。An abrasive having a Mohs hardness of 6 or more, an average particle size of 0.2 to 2.0 μm and a particle size of 5.0 μm or less having a content of 95 wt% or more and a three-dimensional particle shape is used. A polish composition characterized by containing 30 wt%. モース硬度で6以上の硬さを有し、平均粒径が0.2〜2.0μm以下の研磨剤を2種以上混合したものであって、その混合物中に含まれる5.0μm以下の粒子総含有量が95wt%以上で、粒子形状が立体的である研磨剤を2〜30wt%含有することを特徴とする艶出し剤組成物。Particles having a hardness of 6 or more in Mohs hardness and having two or more abrasives having an average particle size of 0.2 to 2.0 μm or less, and having a particle size of 5.0 μm or less contained in the mixture. A polishing composition having a total content of 95 wt% or more and containing 2 to 30 wt% of an abrasive having a three-dimensional particle shape .
JP04392294A 1994-03-15 1994-03-15 Polishing composition Expired - Lifetime JP3545033B2 (en)

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JP2001226665A (en) * 2000-02-16 2001-08-21 Maruo Calcium Co Ltd Abrasive for polishing agent and polishing agent composition containing the same
JP4800496B2 (en) * 2001-02-21 2011-10-26 石原薬品株式会社 Polishing detergent composition
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